Though the spread of the Delta variant of Covid-19 has triggered a reimposition of mask mandates in the US, the WHO still maintains that vaccines are effective against it, and that the variant isn’t any more deadly.
The Delta variant of the coronavirus may be more transmissible than previous variants, but the World Health Organisation (WHO) doesn’t know how or why, Maria Van Kerkhove, the WHO’s Covid-19 technical lead, told a briefing on Friday. Van Kerkhove noted that “a few countries” were seeing a rise in hospitalizations, but that this rise, and the rise in cases, “has not translated into increased mortality.”
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